import java.sql.Connection;

public class Retrieve implements Operation{
    String sign;
    String condition;
    String tableName;
    public Retrieve(String sign,String tableName,String condition) {
        this.tableName = tableName;
        this.sign = sign;
        this.condition = condition;
    }
    @Override
    public String operation() {
        return "select " + sign + " from " + tableName + " where " + condition;
    }
}
